To check the condition of conductor insulation using a minimum 500v DC megohmeter. This test must be performed by a licensed electrician on all inundated, and not yet replaced, power and control circuits. (PDF: 256 kB) (Revised 10/10/2018)

Minimum standard site plan requirements for most applications at Permit Sonoma. (Planning applications have different site plan requirements.) (Revised 12/09/2020)

This form must be completed when there has been a change in owner or contractor on an issued building or grading permit (PDF: 310 kB) (Version 05/29/2020)

The instructions and form required to apply for a roiling permit. A roiling permit is required prior to performing the types of work described on the application form.  (PDF: 336 kB) (Revised 03/16/2018)

This document summarizes waterway setback information from assorted sections of the Sonoma County Code (SCC). When multiple setbacks apply to a waterway, the most protective setback shall generally govern land use and development. (Revised 01/31/2019)

Drainage reports shall be prepared with sufficient clarity to indicate the nature and extent of proposed drainage improvements. (Version: 06/07/2021)

These notes provide information on the County’s requirements for erosion prevention and sediment control during building and construction activities

Use this Questionnaire to assist in determining when a grading permit is required. (PDF: 304 kB) (Version 05/27/2020)
Use with Flood Prone Urban Area (FPUA) Map.